On 14 Mar 2006, at 12:35, Chris Carroll-Davis wrote:
A question: the release blurb for 2.7 says: "Render an image from
any object on-screen, preserving the alpha channel, then transform
and save." Now this seems to be exactly what I need!... I would
like to convert some formatted text (i.e. a field) to a PNG file
with transparency. Can I do this in 2.7? Can't find reference to
this in docs.
import snapshot from fld "test"
or
export snapshot from fld "test" to file "test.png" as PNG
Having made sure that the opaque of the field is set to false first
so that there is actually some transparency to capture. This is VERY
powerful as it takes the info from the object directly - it doesn't
matter if there are other objects on top. A dream come true for some
of my apps...
I can achieve a similar effect by exporting (via snapshot) text on
a white background then displaying resulting image using the
"multiply" or "screen" inks (which are brilliant, btw) but that
limits my options for colours in text.
If you just want to show text over other colours you can use a
regular text field with the opaque set to false - no limitations on
colours, and works in older versions of Rev.
Ian
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